Tetraethylphosphonium Bromide CAS 4317-07-1

Purity 97%+In StockPharmaceutical Standards
CAS No.4317-07-1
Molecular FormulaC8H20P
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Tetraethylphosphonium Bromide CAS 4317-07-1 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Tetraethylphosphonium Bromide (CAS 4317-07-1), molecular formula C8H20PBr and molecular weight 227.13 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Tetraethylphosphonium Bromide (C8H20PBr) is characterized by organophosphorus functionality, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), Tetraethylphosphonium Bromide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC8H20P Br
Molecular Weight227.13 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)-1.5
CAS Registry Year (est.)1958
Halogen ContentBr-containing

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Why CATO?